23639419209 has 8 divisors (see below), whose sum is σ = 36021972160. Its totient is φ = 13508239536.

The previous prime is 23639419189. The next prime is 23639419247. The reversal of 23639419209 is 90291493632.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23639419209 - 2³¹ = 21491935561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23639411209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 562843294 + ... + 562843335.

It is an arithmetic number, because the mean of its divisors is an integer number (4502746520).

Almost surely, 2^23639419209 is an apocalyptic number.

It is an amenable number.

23639419209 is a deficient number, since it is larger than the sum of its proper divisors (12382552951).

23639419209 is a wasteful number, since it uses less digits than its factorization.

23639419209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1125686639.

The product of its (nonzero) digits is 629856, while the sum is 48.

The spelling of 23639419209 in words is "twenty-three billion, six hundred thirty-nine million, four hundred nineteen thousand, two hundred nine".